[JASS] Simple Math Question

[lolreported]

Hello, I have a math question, that probably is kinda simple. Anyway, I'd like a math function that will make a bullet go straight and not like, bouncing up and down when the terrain-height changes.

I hope you understand what I'm looking for. Thanks!

Example Picture

The example above is how it is now and the example under is how I want it to be.

 

[TriggerHappy]

GetUnitFlyHeight - GetLocationZ(positionOfUnit).
So something like this;

call MoveLocation(someLoc, x, y)
call SetUnitFlyHeight(theunit, GetUnitFlyHeight(theunit)-GetLocationZ(someLoc), 0)

At least, that's how I remember it.

 

[lolreported]

Okay, I'll try that out! Thanks, +rep

Edit: Hmm, doesn't seems to work... Any other way? (Or I may have done it wrong)

 

[Pharaoh_]

Nop, trully that's the way do to so.
In case you do not use the MoveLocation() function, it would be like this:

• Set Point1 = (Position of (Unit))
• Custom script: set udg_Height = GetLocationZ (udg_Point1)
• Animation - Set flying height of (Unit) to ((Flying Height of (Unit)) - Height) at 0.00
• Custom script: call RemoveLocation (udg_Point1)

 

[lolreported]

That's exactly how I do it, I can give you the actions.

• Custom script: set h = GetLocationZ(udg_TempPoint[0])
• Custom script: call SetUnitFlyHeight(udg_S_Unit[udg_S_Index[3]], (GetUnitFlyHeight(udg_S_Unit[udg_S_Index[3]]) - h) + 75, 0.0)

I have no idea why it won't work, and the bullet glides on the ground...

 

[Dr Super Good]

Cause the terrain is higher than the unit's fly height?

 

[lolreported]

Doesn't matter I think. I can't check if the bullet is moving properly because it's sliding on the ground with 0.00 flying height.

 

[Prince.Zero]

if you use the dummy.mdx model
you may need to set it's timescale to 0, because for some reason the model you attach to it seems to freak out and slide.

 

[lolreported]

Timescale? Where do I find this? Never heard of it...

 

[Prince.Zero]

do you use a dummy model for the bullet?

 

[lolreported]

Yes, I use the dummy.mdx/mdl model, why?

 

[Prince.Zero]

then set it's time scale to 0 when you create it.
if it's jass

call SetUnitTimeScale(bj_GetLastCreatedUnit, 0)

 

[lolreported]

I have never heard of this, what is it doing? Anyway, it does not work... Still sliding at the ground and I have no idea why...

Even I've copied their function above...


Edit: Okey, I've remade it a little, it's working better now, but it still wobbles a little when the terrain height changes. Not extremely much. Atleast it's not sliding at the ground... Any help is appreciated to fix this.

Trigger:

• Set TempPoint[0] = (Position of S_Unit[S_Index[3]])
• Set TempPoint[1] = (TempPoint[0] offset by S_Speed[S_Index[3]] towards S_Angle[S_Index[3]] degrees)
• Unit - Move S_Unit[S_Index[3]] instantly to TempPoint[1]
• -------- -------------------- --------
• Custom script: set h1 = GetLocationZ(udg_TempPoint[0])
• Custom script: set h2 = GetLocationZ(udg_TempPoint[1])
• Custom script: call SetUnitFlyHeight(udg_S_Unit[udg_S_Index[3]], 40.0, 0.0)
• Custom script: call SetUnitFlyHeight(udg_S_Unit[udg_S_Index[3]], (GetUnitFlyHeight(udg_S_Unit[udg_S_Index[3]]) + h1) - h2, 0.0)
• -------- -------------------- --------
• Custom script: call RemoveLocation(udg_TempPoint[0])
• Custom script: call RemoveLocation(udg_TempPoint[1])